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O uso intensivo de conversores electronicos de potencia e de outras cargas nao lineares, tais como equipamentos electronicos e iluminacao com lampadas de descarga em meio gasoso, tanto na industria como nos outros consumidores em geral, e responsavel por um aumento na deterioracao das formas de onda de corrente e tensao nos sistemas electricos. Os filtros activos sao dispositivos electronicos de potencia capazes de compensar alguns dos problemas relacionados com a tensao e a corrente, nomeadamente: falhas de curta duracao, distorcao da corrente ou tensao causada por harmonicos, desequilibrio...

This important book, the fifth in the Civil Procedure in Europe series, provides a comparative overview, of 13 EU countries and Switzerland, on the law of evidence. Each countrys practice in this area is described and analysed by a national expert distinguished in the field of civil procedural law. The contributions are written in either English, French or German, and are followed by summaries in both remaining languages. Bibliographies are included to enable the reader to locate material for further study. Each national report addresses, among other things, the following issues: the sources...

A compact presentation of the foundations, current state of the art, recent developments and research directions of all essential techniques related to the mechanics of composite materials and structures. Special emphasis is placed on classic and recently developed theories of composite laminated beams, plates and shells, micromechanics, impact and damage analysis, mechanics of textile structural composites, high strain rate testing and non-destructive testing of composite materials and structures. Topics of growing importance are addressed, such as: numerical methods and optimisation,...

A compact presentation of the foundations, current state of the art, recent developments and research directions of all essential techniques related to the mechanics of composite materials and structures. Special emphasis is placed on classic and recently developed theories of composite laminated beams, plates and shells, micromechanics, impact and damage analysis, mechanics of textile structural composites, high strain rate testing and non-destructive testing of composite materials and structures. Topics of growing importance are addressed, such as: numerical methods and optimisation,...